The Battlefield 6 (BF6) open beta had an early access start at 8:00 UTC (1:00 a.m. PDT, 4:00 a.m. EDT) on August 7, 2025. The fully open beta was available without keys starting August 9, 2025. The beta took place over multiple weekends, with the second and penultimate beta weekend running from August 14 at 08:00 UTC to August 18 at 08:00 UTC. After the beta ended on August 18, players waited until the full game launch on October 10, 2025.

In summary:

• BF6 beta early access started August 7, 2025, at 8:00 UTC.
• Fully open beta was August 9-11 and August 14-18, 2025.
• The beta ended on August 18, 2025.
• The full Battlefield 6 game launches October 10, 2025.

This timeline shows when the beta was available to play. If the question was about when the BF (Battlefield) beta or game happens, this answers that fully.